Overview

• Live images from a Korean Naver blog show the iPhone 17 Air’s battery measures just 2.49 mm thick including its steel casing and holds roughly 2,800–2,900 mAh
• Analyst Ming-Chi Kuo and supply chain reports indicate Apple will deploy high-density silicon-anode cells from TDK to enhance energy density
• Internal Apple tests cited by The Information suggest only 60–70 percent of users can last a full day on a charge, prompting debate over real-world performance
• Leaked updates suggest the iPhone 17 Pro will ship with two different battery versions for US and international markets, using an eSIM-only design in US units to free up space
• Apple is expected to offer an optional battery case alongside the iPhone 17 Air to help users extend runtime without compromising the phone’s slim profile